/*
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 * and open the template in the editor.
 */

package war;

import java.io.IOException;
import java.io.PrintWriter;
import javax.ejb.EJB;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import session.GestUtenteLocal;

/**
 *
 * @author Gemma
 */
//@WebServlet(name = "LoginServlet", urlPatterns = {"/LoginServlet"})

public class LoginServlet extends HttpServlet {
    
    @EJB
    private GestUtenteLocal gestUtente;

    /**
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code>
     * methods.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        
        String mail = "";
        String password = "";
        
        HttpSession session = request.getSession(true);  /*prende la sessione corrente dell'utente*/

       
        out.println("mail registrato nel bean: " + request.getParameter("mail") + "<br>");
        out.println("password registrato nel bean: " + request.getParameter("password") + "<br>");

        
       if (session.getAttribute("mail") == null) {
            //if ((mail != null && !mail.isEmpty()) && (password != null && !password.isEmpty()) ){
            if (((request.getParameter("mail") != null) && (!request.getParameter("mail").isEmpty())) && ((request.getParameter("password") != null) && (!request.getParameter("password").isEmpty()))) {
                mail = request.getParameter("mail").toString();
                password = request.getParameter("password").toString();

                out.println("mail passato a getMail: " + mail + "<br>");
                out.println("password passato a getPassword: " + password + "<br>");

                String mailVerifica = gestUtente.getMail(mail, password);


                if (mailVerifica.equals(mail) && !mailVerifica.isEmpty()) {
                    session.setAttribute("mail", mailVerifica);
                    String gruppo = gestUtente.getGruppo(mail, password);
                    session.setAttribute("gruppo", gruppo);
                    String nome = gestUtente.getNome(mail, password);
                    session.setAttribute("nome", nome);
                    String idUtente = gestUtente.getID(mail, password);
                    session.setAttribute("idUtente", idUtente);
                    //response.sendRedirect("index.jsp"); //arriviamo fin qui
                } else {
                    response.sendRedirect("login.jsp");
                }
            } else {
                response.sendRedirect("login.jsp");
            }

        } else {
            response.sendRedirect("logalready.jsp");
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /**
     * Handles the HTTP <code>GET</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Handles the HTTP <code>POST</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Returns a short description of the servlet.
     *
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>

}
